<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="./css/element.css">
    <script src="./js/vue.min.js"></script>
    <script src="./js/element.js"></script>
</head>
<body>
<div id="app">
    {{message}}
</div>
<script>
    let app = new Vue({
        el: '#app',
        data: {
            message: 'Hello Vue!'
        }
    })
</script>
</body>
</html>